package com.tufei.config;




import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {
    //ShiroFilterFactoryBean:3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加shiro的内置过滤器
        /*
            anon: 无需认证就可以访问
            authc: 必须认证了才能访问
            user: 必须拥有 记住我 功能才能用
            perms: 拥有对某个资源的权限才能访问
            role: 拥有某个角色权限才能访问
         */
        Map<String,String> filterMap = new LinkedHashMap<>();

        filterMap.put("/user/*","authc");


        bean.setFilterChainDefinitionMap(filterMap);

        //设置登入的请求
        bean.setLoginUrl("/toLogin");
        return bean;
    }

    //DefaultWebSecurityManager: 2
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm")UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }


    //创建 realm 对象. 需要自定义类:1
    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }







}
